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authorArnd Bergmann <arnd@arndb.de>2016-06-24 12:49:56 +0200
committerShawn Guo <shawnguo@kernel.org>2016-06-28 10:26:20 +0800
commit6f98cb22e4089c3eb63ff86fac010291a0e30241 (patch)
treedba416187bb35b1a76e7bca6b36ecc8cffa15d2c /arch
parent510aca642040cfb05e392218f6540ea35af51916 (diff)
downloadlinux-6f98cb22e4089c3eb63ff86fac010291a0e30241.tar.bz2
ARM: imx: remove cpu_is_mx1 check
There is only one call site for this, and it's easily replaced by initializing the reset value at boot time. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-imx/common.h1
-rw-r--r--arch/arm/mach-imx/mm-imx1.c2
-rw-r--r--arch/arm/mach-imx/system.c16
3 files changed, 11 insertions, 8 deletions
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 60d9ae63f76e..0a1d1f175b7a 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -54,6 +54,7 @@ struct platform_device *mxc_register_gpio(char *name, int id,
void mxc_set_cpu_type(unsigned int type);
void mxc_restart(enum reboot_mode, const char *);
void mxc_arch_reset_init(void __iomem *);
+void imx1_reset_init(void __iomem *);
void imx_set_aips(void __iomem *);
void imx_aips_allow_unprivileged_access(const char *compat);
int mxc_device_init(void);
diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c
index e065fedb3ad4..9a42f19be81e 100644
--- a/arch/arm/mach-imx/mm-imx1.c
+++ b/arch/arm/mach-imx/mm-imx1.c
@@ -50,7 +50,7 @@ void __init mx1_init_irq(void)
void __init imx1_soc_init(void)
{
- mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR));
+ imx1_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR));
mxc_device_init();
mxc_register_gpio("imx1-gpio", 0, MX1_GPIO1_BASE_ADDR, SZ_256,
diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index e442ed7f7ff5..c06af650e6b1 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -34,25 +34,19 @@
static void __iomem *wdog_base;
static struct clk *wdog_clk;
+static int wcr_enable = (1 << 2);
/*
* Reset the system. It is called by machine_restart().
*/
void mxc_restart(enum reboot_mode mode, const char *cmd)
{
- unsigned int wcr_enable;
-
if (!wdog_base)
goto reset_fallback;
if (!IS_ERR(wdog_clk))
clk_enable(wdog_clk);
- if (cpu_is_mx1())
- wcr_enable = (1 << 0);
- else
- wcr_enable = (1 << 2);
-
/* Assert SRS signal */
imx_writew(wcr_enable, wdog_base);
/*
@@ -89,6 +83,14 @@ void __init mxc_arch_reset_init(void __iomem *base)
clk_prepare(wdog_clk);
}
+#ifdef CONFIG_SOC_IMX1
+void __init imx1_reset_init(void __iomem *base)
+{
+ wcr_enable = (1 << 0);
+ mxc_arch_reset_init(base);
+}
+#endif
+
#ifdef CONFIG_CACHE_L2X0
void __init imx_init_l2cache(void)
{